CN211215552U - Cleaning device for inclined tube of sedimentation tank - Google Patents
Cleaning device for inclined tube of sedimentation tank Download PDFInfo
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- CN211215552U CN211215552U CN201921332632.2U CN201921332632U CN211215552U CN 211215552 U CN211215552 U CN 211215552U CN 201921332632 U CN201921332632 U CN 201921332632U CN 211215552 U CN211215552 U CN 211215552U
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Abstract
A cleaning device for an inclined tube of a sedimentation tank is characterized by comprising: a sedimentation tank, a sedimentation inclined tube; the cleaning device and the water circulating device are arranged, wherein the sedimentation tank is arranged behind the coagulation tank, the injection tank and the curing tank, and the curing tank is separated from the sedimentation tank by a baffle; water in the curing tank flows into the sedimentation tank through the top of the baffle plate, and a scum collecting tank is arranged between the curing tank and the sedimentation tank; the cleaning device comprises a scum cleaning device and an inclined tube cleaning device; the scum cleaning device is fixedly arranged at the top of the sedimentation forebay, and the inclined tube cleaning device is arranged at the top of the sedimentation forebay; wherein the inclined tube cleaning device is a movable cleaning device; the water circulation device collects the sewage at the bottom of the sedimentation tank, part of the sewage flows back to the cleaning device after being treated, and the other part of the sewage is put into the circulation system again. The self-cleaning of the system and the self-circulation of the cleaning water are ensured by arranging the cleaning device and the water circulation device.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a cleaning method and a cleaning device for an inclined tube of a sedimentation tank.
Background
The inclined tube sedimentation tank is an improved sedimentation tank which is characterized in that a group of square pipelines are arranged in a sedimentation area of a common sedimentation tank so as to shorten sedimentation time and improve sedimentation efficiency. The pipe chute of one deck slope 60 degrees is installed to sedimentation tank upper portion, and the pipe chute module can increase the sediment area effectively, prevents that the alum flower from being taken to the clarified water collecting vat by rivers, and then influences follow-up clean water basin quality of water. However, after the sedimentation tank operates for a period of time, alum blossom will gradually settle and attach to the inclined tube, so that the settlement efficiency of alum blossom in subsequent water flow is reduced, and meanwhile, the anaerobic fermentation will occur to cause floating slag to float, so that the water quality is deteriorated (such as the increase of the dissolved BOD value and the decrease of the pH value), and the effluent quality index of the inclined tube sedimentation tank is influenced.
The existing cleaning method can only adopt a pressure water gun to clean in a manual mode during the shutdown of the sedimentation tank, the cleaning process needs to be repeated manually so as to achieve the purpose of peeling off the alum blossom, the implementation process is difficult, the overhaul cost is high, the shutdown time is long, time and labor are wasted, the efficiency is low, the labor cost is high, great construction safety risk and a plurality of uncontrollable factors exist, and the effect of adopting manual mechanical cleaning is not ideal.
Disclosure of Invention
The invention mainly solves the technical problems that: a cleaning method and a cleaning device for an inclined tube of a sedimentation tank are designed.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a cleaning device for an inclined tube of a sedimentation tank is characterized by comprising:
a sedimentation tank for containing water to be settled;
the sedimentation inclined tube is used for increasing the sedimentation area;
the cleaning device is used for cleaning the sedimentation inclined tube and cleaning floating objects in the sedimentation forebay;
the water circulating device is used for supplying water to the cleaning device;
the sedimentation tank is arranged behind the coagulation tank, the injection tank and the curing tank, and the curing tank is separated from the sedimentation tank by a baffle; water in the curing tank flows into the sedimentation tank through the top of the baffle plate, and a scum collecting tank is arranged between the curing tank and the sedimentation tank; the cleaning device comprises a scum cleaning device and an inclined tube cleaning device; the scum cleaning device is fixedly arranged at the top of the sedimentation forebay, and the inclined tube cleaning device is arranged at the top of the sedimentation forebay; wherein the inclined tube cleaning device is a movable cleaning device; the water circulation device collects the sewage at the bottom of the sedimentation tank, part of the sewage flows back to the cleaning device after being treated, and the other part of the sewage is put into the circulation system again.
Further, the scum cleaning device comprises a second branch pipe and a second nozzle, wherein cleaning water flows through the second branch pipe, and the second nozzle is arranged on the second branch pipe; the second nozzle comprises a plurality of nozzles, and the water jet direction of the second nozzle faces the scum collecting tank.
Further, the pipe chute belt cleaning device is portable belt cleaning device, pipe chute belt cleaning device includes: the spraying device comprises an upper slide rail, a lower slide rail, a slide seat, a spraying cavity and a motor; go up slide rail and lower slide rail and correspond the setting on the pool wall of sedimentation tank, the both ends that spray the chamber set up the sliding seat, the sliding seat will spray the chamber and erect on last slide rail and lower slide rail, the motor drives it removes to spray the chamber between last slide rail and lower slide rail.
Further, the spraying cavity is of a cavity structure, two sides of the spraying cavity are respectively provided with a double-row first nozzle, the spraying cavity is also provided with a water inlet, and cleaning water flows into the spraying cavity through the water inlet and is sprayed out of the first nozzles; the angle of the first row of nozzles in the double rows of first nozzles is parallel to the inclined sedimentation pipe, and the second row of nozzles forms an included angle of 5-60 degrees with the first row of nozzles.
Furthermore, a hose is arranged on the spraying cavity, one end of the hose is connected with a water inlet of the spraying cavity, the hose is fixedly connected with the water inlet, the other end of the hose is connected with a first branch pipe of a branch of the cleaning water inlet pipe, and cleaning water enters the spraying cavity through the hose.
Further, the water outlet end fixed connection of hose sprays the water inlet department in chamber, the body of hose is fixed on the bracing piece through solid fixed ring, the bracing piece erects the both ends of sedimentation tank, the bracing piece is through setting up the supporting seat fixed connection at the sedimentation tank both ends.
Further, the water source of the water circulation device is sewage in a sewage discharge port of the sedimentation tank; the water circulation device includes: drain, second blow off pipe, little sand backwash pump, back flow and filter, the drain sets up the bottom of sedimentation tank, connect on the drain the second blow off pipe, the second blow off pipe sets up two, connects first little sand backwash pump and second little sand backwash pump on the every second blow off pipe respectively, the back flow is connected respectively to the play water end of first little sand backwash pump and second little sand backwash pump, set up out the water branch pipe on the back flow, the play water end of play water branch pipe connects the filter, the end of the play water of filter is connected belt cleaning device's washing water inlet tube.
Furthermore, the water outlet end of the main return pipe pipeline is respectively connected with a first cyclone and a second cyclone, the first cyclone is used for separating sewage containing silt again, the separated water is discharged into the coagulation tank through a third water discharge pipe at the bottom of the first cyclone, and impurities separated by the first cyclone are discharged through a sludge collection pipe at the top; the second swirler is identical in structure to the first swirler.
Furthermore, a mechanical automatic control blow-down valve is arranged at a blow-down port of the filter.
Furthermore, the angle of the second nozzle and the water surface of the sedimentation forebay are in the horizontal tangential direction.
The invention has the beneficial effects that:
the invention designs a cleaning device which comprises a scum cleaning device and an inclined tube cleaning device. The inclined tube cleaning device can clean floccule impurities deposited in the inclined tube and enable the floccule impurities to fall into the bottom of the sedimentation tank. Dross belt cleaning device sets up at the sedimentation forebay top, dross belt cleaning device's equidistant nozzle of arranging on the spray pipe way, the nozzle has injection range regulatory function, the injection sparge water keeps in the coplanar, each nozzle sprays regional mutual overlapping, and the nozzle sets up the angle and is horizontal tangential direction with the sedimentation tank forebay surface of water, produce along surface of water tangential direction water flow power, promote the forebay dross to flow into to the dross collecting vat, and then discharge through the dross discharge tube way, avoid entering into the sedimentation tank and influence follow-up quality of water.
The invention also designs a recycling system of the cleaning water, the source of the cleaning water is from a drain outlet at the bottom of the sedimentation tank, the drain outlet is connected with two second drain pipes, each second drain pipe is respectively connected with a first micro-sand reflux pump and a second micro-sand reflux pump, the water outlet ends of the first micro-sand reflux pump and the second micro-sand reflux pump are respectively connected with a reflux pipe, the reflux pipes are provided with water outlet branch pipes, the water outlet ends of the water outlet branch pipes are connected with a filter, and the water outlet end of the filter is connected with a cleaning water inlet pipe of the cleaning device. The water outlet end of the main return pipe pipeline is respectively connected with a first cyclone and a second cyclone, the first cyclone is used for separating sewage containing silt again, the separated water is discharged into the coagulation tank through a third water discharge pipe at the bottom of the first cyclone, and impurities separated by the first cyclone are sent out through a sludge collecting pipe at the top; through the arrangement of the cleaning water circulation system, new clean water is not required to be introduced, and the integration of the cleaning system and the whole filtering system is formed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the cleaning device of the present invention.
Wherein:
1. a water inlet pipe; 2. a coagulation tank; 3. an injection pool; 4. a curing tank; 5. a baffle plate;
6. a first drain pipe; 7. a first drain pipe; 8. a sedimentation tank; 9. a filter;
10. a settling inclined tube; 11. a stirring motor; 12. a squeegee; 13. a water collection tank;
14. a sewage draining outlet; 15. a second sewage draining pipe; 16. a first micro-sand reflux pump;
17. a second micro-sand reflux pump; 18. a second drain pipe; 19. collecting tank;
20. a return pipe; 21. a first swirler; 22. a second swirler;
23. a third drain pipe; 24. a sludge collecting pipe; 25. a first stirrer;
26. a second agitator; 27. a sedimentation forebay; 28. a scum collecting tank;
29. cleaning a water inlet pipe; 30. a first branch pipe; 31. a second branch pipe;
32. a second nozzle; 33. a hose; 34. a fixing ring; 35. a support bar;
36. a supporting seat; 37. an upper slide rail; 38. a lower slide rail; 39. a sliding seat;
40. a spray chamber; 41. a motor; 42. a water inlet; 43. a first nozzle;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A cleaning device for an inclined pipe of a sedimentation tank 8 shown in fig. 1, characterized by comprising: a sedimentation tank 8 for containing water to be settled; a settling down pipe chute 10; to increase the settling area; a cleaning device for cleaning the inclined sedimentation pipe 10 and cleaning the floating materials in the pre-sedimentation tank 27; the water circulating device is used for supplying water to the cleaning device;
wherein, the sedimentation tank 8 is arranged behind the coagulation tank 2, the injection tank 3 and the curing tank 4, and the curing tank 4 is separated from the sedimentation tank 8 by a baffle 5; the water in the curing tank 4 flows into the sedimentation tank 8 through the top of the baffle 5, and a scum collecting tank 28 is arranged between the curing tank 4 and the sedimentation tank 8; the cleaning device comprises a scum cleaning device and an inclined tube cleaning device; the scum cleaning device is fixedly arranged at the top of the sedimentation forebay 27, and the inclined tube cleaning device is arranged at the top of the sedimentation basin 8; wherein the inclined tube cleaning device is a movable cleaning device; the water circulation device collects the sewage at the bottom of the sedimentation tank 8, part of the sewage flows back to the cleaning device after being treated, and the other part of the sewage is put into the circulation system again.
As shown in fig. 2, the dross cleaning apparatus includes a second branch pipe 31 through which the cleaning water flows in the second branch pipe 31, and a second nozzle 32 provided on the second branch pipe 31; the second nozzles 32 include a plurality of nozzles, and the water jet direction of the second nozzles 32 is directed toward the dross collecting groove 2819.
The pipe chute belt cleaning device is portable belt cleaning device, pipe chute belt cleaning device includes: an upper slide rail 37, a lower slide rail 38, a sliding seat 39, a spraying cavity 40 and a motor 41; the upper slide rail 37 and the lower slide rail 38 are correspondingly arranged on the wall of the sedimentation tank 8, sliding seats 39 are arranged at two ends of the spraying cavity 40, the spraying cavity 40 is erected on the upper slide rail 37 and the lower slide rail 38 by the sliding seats 39, and the motor 41 drives the spraying cavity 40 to move between the upper slide rail 37 and the lower slide rail 38.
The spraying cavity 40 is of a cavity structure, a plurality of first nozzles 43 are arranged on two sides of the spraying cavity 40, a water inlet 42 is also arranged on the spraying cavity 40, cleaning water flows into the spraying cavity 40 through the water inlet 42 and then is sprayed out from the first nozzles 43, and the angle of the first nozzles 43 is tangential to the inclined sedimentation pipe 10. The spraying cavity 40 is provided with a hose 33, one end of the hose 33 is connected with a water inlet 42 of the spraying cavity 40, the hose 33 is fixedly connected with the water inlet 42, the other end of the hose 33 is connected with a branch first branch pipe 30 of a cleaning water inlet pipe 291, and cleaning water enters the spraying cavity 40 through the hose 33. The water outlet end fixed connection of hose 33 sprays the water inlet 42 department of chamber 40, the body of hose 33 is fixed on bracing piece 35 through solid fixed ring 34, bracing piece 35 erects the both ends of sedimentation tank 8, bracing piece 35 is through setting up the supporting seat 36 fixed connection at sedimentation tank 8 both ends.
As shown in figure 1, the water source of the water circulation device is sewage in a sewage outlet 14 of the sedimentation tank 8; the water circulation device includes: drain 14, second blow off pipe 15, little sand backwash pump, back flow 20 and filter 9, drain 14 sets up sedimentation tank 8's bottom, connect on the drain 14 second drain 15, second drain 15 sets up two, connects first little sand backwash pump 16 and second little sand backwash pump 17 on every second drain 15 respectively, back flow 20 is connected respectively to the water outlet end of first little sand backwash pump 16 and second little sand backwash pump 17, set up out water branch pipe on the back flow 20, filter 9 is connected to the water outlet end of play water branch pipe, the water outlet end of filter 9 is connected belt cleaning device's washing water inlet tube 1.
The water outlet end of the main return pipe is respectively connected with a first cyclone 21 and a second cyclone 22, the first cyclone 21 is used for separating sewage containing silt again, the separated water is discharged into the coagulation tank 2 through a third water discharge pipe 23 at the bottom of the first cyclone 21, and impurities separated by the first cyclone 21 are discharged through a sludge collection pipe 24 at the top; the second swirler 22 is identical in construction to the first swirler 21.
In addition, a mechanical self-control blowdown valve is arranged at the blowdown port 14 of the filter 9.
The angle of the second nozzle 32 is horizontal tangential to the water surface of the pre-sedimentation basin 27.
The working mode is as follows:
water to be purified flows into a coagulation tank 2 through a water inlet pipe 1, a first stirring device is arranged on the coagulation tank 2, the water flows into an injection tank 3 through a gap at the top after the coagulation tank 2 is filled with the water, a second stirring device is arranged on the injection tank 3, the water flows into a pre-sedimentation tank 27 through a gap at the top after the injection tank 3 is filled with the water, and a scum collecting tank 28 is arranged at the pre-sedimentation tank 27; the scum collecting tank 28 is provided with an opening at the bottom thereof and is connected to the first drain pipe 7 for draining the collected scum. The water to be purified continuously flows into the sedimentation tank 8, the flocculate at the moment is deposited at the sedimentation inclined tube 10, the sediment is dropped at the bottom of the sedimentation tank 8 along with the increase of the accumulated gravity, the sediment is scraped into a drainage port through a scraper 12 on the sedimentation tank 8, and the rest sewage is drained to a collecting tank 19 through a second drainage pipe 18 arranged at the bottom of the sedimentation tank 8. The clean water is collected by the water collection tank 13 and flows into the clean water collection tank 19.
During cleaning, the inclined tube cleaning device can clean floccule impurities deposited in the inclined tube and enable the floccule impurities to fall into the bottom of the sedimentation tank 8. Dross belt cleaning device sets up at sediment forebay 27 tops, dross belt cleaning device's equidistant nozzle of arranging on the spray pipe way, the nozzle has injection range regulatory function, the injection sparge water keeps in the coplanar, each nozzle sprays regional mutual overlapping, and the nozzle sets up the angle and is tangential direction with 8 forebay water surfaces of water of sedimentation tank, produce along surface of water tangential direction water flow power, promote the forebay dross to flow into to dross collecting vat 28, and then discharge through dross discharge pipe way, avoid entering into and influencing subsequent quality of water in the sedimentation tank 8.
The source of the cleaning water comes from a sewage discharge port 14 at the bottom of the sedimentation tank 8, the second sewage discharge pipe 15 is connected to the sewage discharge port 14, the number of the second sewage discharge pipe 15 is two, each second sewage discharge pipe 15 is respectively connected with a first micro-sand reflux pump 16 and a second micro-sand reflux pump 17, the water outlet ends of the first micro-sand reflux pump 16 and the second micro-sand reflux pump 17 are respectively connected with a reflux pipe 20, a water outlet branch pipe is arranged on the reflux pipe 20, the water outlet end of the water outlet branch pipe is connected with a filter 9, and the water outlet end of the filter 9 is connected with a cleaning water inlet pipe 1 of the cleaning device. The water outlet end of the main return pipe is respectively connected with a first cyclone 21 and a second cyclone 22, the first cyclone 21 is used for separating sewage containing silt again, the separated water is discharged into the coagulation tank 2 through a third water discharge pipe 23 at the bottom of the first cyclone 21, and impurities separated by the first cyclone 21 are discharged through a sludge collection pipe 24 at the top; through the arrangement of the cleaning water circulation system, new clean water is not required to be introduced, and the integration of the cleaning system and the whole filtering system is formed.
In addition, alum blossom thickness detection sensors can be arranged at multiple points in the inclined pipe of the sedimentation tank 8, when the thickness is higher than a set value, the control system starts the inclined plate automatic flushing system according to a logic operation program, and simultaneously closes the water inlet regulating valve of the sedimentation tank 8, so that the sedimentation tank 8 is out of the operation state and is switched to the inclined plate cleaning state. The back washing and purifying operation is automatically carried out, thereby realizing the continuous, automatic and accurate control process.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A cleaning device for an inclined tube of a sedimentation tank is characterized by comprising:
a sedimentation tank for containing water to be settled;
the sedimentation inclined tube is used for increasing the sedimentation area;
the cleaning device is used for cleaning the sedimentation inclined tube and cleaning floating objects in the sedimentation forebay;
the water circulating device is used for supplying water to the cleaning device;
the sedimentation tank is arranged behind the coagulation tank, the injection tank and the curing tank, and the curing tank is separated from the sedimentation tank by a baffle; water in the curing tank flows into the sedimentation tank through the top of the baffle plate, and a scum collecting tank is arranged between the curing tank and the sedimentation tank; the cleaning device comprises a scum cleaning device and an inclined tube cleaning device; the scum cleaning device is fixedly arranged at the top of the sedimentation forebay, and the inclined tube cleaning device is arranged at the top of the sedimentation forebay; wherein the inclined tube cleaning device is a movable cleaning device; the water circulation device collects the sewage at the bottom of the sedimentation tank, part of the sewage flows back to the cleaning device after being treated, and the other part of the sewage is put into the circulation system again.
2. A cleaning apparatus for a settler chute as defined in claim 1 wherein: the scum cleaning device comprises a second branch pipe and a second nozzle, cleaning water flows through the second branch pipe, and the second nozzle is arranged on the second branch pipe; the second nozzle comprises a plurality of nozzles, and the water jet direction of the second nozzle faces the scum collecting tank.
3. A cleaning apparatus for a settler chute as defined in claim 1 wherein: the pipe chute belt cleaning device is portable belt cleaning device, pipe chute belt cleaning device includes: the spraying device comprises an upper slide rail, a lower slide rail, a slide seat, a spraying cavity and a motor; go up slide rail and lower slide rail and correspond the setting on the pool wall of sedimentation tank, the both ends that spray the chamber set up the sliding seat, the sliding seat will spray the chamber and erect on last slide rail and lower slide rail, the motor drives it removes to spray the chamber between last slide rail and lower slide rail.
4. A cleaning apparatus for a settler chute as defined in claim 3 wherein: the spraying cavity is of a cavity structure, two sides of the spraying cavity are respectively provided with a double-row first nozzle, the spraying cavity is also provided with a water inlet, and cleaning water flows into the spraying cavity through the water inlet and is sprayed out of the first nozzles; the angle of the first row of nozzles in the double rows of first nozzles is parallel to the inclined sedimentation pipe, and the second row of nozzles and the first row of nozzles form an included angle of 5-60 degrees.
5. A cleaning apparatus for a settler chute as defined in claim 3 wherein: the spraying cavity is provided with a hose, one end of the hose is connected with a water inlet of the spraying cavity, the hose is fixedly connected with the water inlet, the other end of the hose is connected with a first branch pipe of a branch of a cleaning water inlet pipe, and cleaning water enters the spraying cavity through the hose.
6. The cleaning apparatus for the inclined tube of the sedimentation tank as claimed in claim 5, wherein: the water outlet end fixed connection of hose sprays the water inlet department in chamber, the body of hose is fixed on the bracing piece through solid fixed ring, the bracing piece erects the both ends of sedimentation tank, the bracing piece is through setting up the supporting seat fixed connection at the sedimentation tank both ends.
7. A cleaning apparatus for a settler chute as defined in claim 1 wherein: the water source of the water circulation device is sewage in a sewage discharge port of the sedimentation tank; the water circulation device includes: drain, second blow off pipe, little sand backwash pump, back flow and filter, the drain sets up the bottom of sedimentation tank, connect on the drain the second blow off pipe, the second blow off pipe sets up two, connects first little sand backwash pump and second little sand backwash pump on the every second blow off pipe respectively, the back flow is connected respectively to the play water end of first little sand backwash pump and second little sand backwash pump, set up out the water branch pipe on the back flow, the play water end of play water branch pipe connects the filter, the play water end of filter is connected belt cleaning device's washing water inlet tube.
8. The cleaning apparatus for the inclined tube of the sedimentation tank as claimed in claim 7, wherein: the water outlet end of the main return pipe pipeline is respectively connected with a first cyclone and a second cyclone, the first cyclone is used for separating sewage containing silt again, the separated water is discharged into the coagulation tank through a third water discharge pipe at the bottom of the first cyclone, and impurities separated by the first cyclone are sent out through a sludge collection pipe at the top; the second swirler is identical in structure to the first swirler.
9. The cleaning apparatus for the inclined tube of the sedimentation tank as claimed in claim 7, wherein: and a mechanical automatic control blowdown valve is arranged at a blowdown port of the filter.
10. A cleaning apparatus for a settler chute as defined in claim 2 wherein: the angle of the second nozzle and the water surface of the sedimentation forebay are in the horizontal tangential direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921332632.2U CN211215552U (en) | 2019-08-16 | 2019-08-16 | Cleaning device for inclined tube of sedimentation tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921332632.2U CN211215552U (en) | 2019-08-16 | 2019-08-16 | Cleaning device for inclined tube of sedimentation tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404300A (en) * | 2019-08-16 | 2019-11-05 | 天津国投津能发电有限公司 | A kind of cleaning device of inclined tube of sedimentation tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404300A (en) * | 2019-08-16 | 2019-11-05 | 天津国投津能发电有限公司 | A kind of cleaning device of inclined tube of sedimentation tank |
| CN110404300B (en) * | 2019-08-16 | 2024-09-03 | 天津国投津能发电有限公司 | Cleaning device for inclined tube of sedimentation tank |
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